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Long wavelength MOCVD-grown InGaAsN-InGaAsP-GaAs quantum-well lasers

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3 Author(s)
Jeng-Ya Yeh ; Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA ; N. Tansu ; L. J. Mawst

1.26-μm-emitting MOCVD-grown InGaAsN single quantum-well lasers with barriers of Eg=1.62 eV InGaAsP exhibit a room-temperature threshold current density of 440 A/cm2 and a characteristic temperature To as high as 128 K and 98 K in the temperature ranges of 10-50°C and 50-100°C, respectively. A growth pause annealing technique is found to be critical for achieving high photoluminescence intensity. Higher-bandgap barrier materials increase the valence band offset and lead to suppression of carrier leakage, which potentially results in improved temperature characteristics of the InGaAsN quantum-well lasers.

Published in:

Indium Phosphide and Related Materials, 2003. International Conference on

Date of Conference:

12-16 May 2003